CN1063256C - 叶轮 - Google Patents

叶轮 Download PDF

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Publication number
CN1063256C
CN1063256C CN96196340A CN96196340A CN1063256C CN 1063256 C CN1063256 C CN 1063256C CN 96196340 A CN96196340 A CN 96196340A CN 96196340 A CN96196340 A CN 96196340A CN 1063256 C CN1063256 C CN 1063256C
Authority
CN
China
Prior art keywords
impeller
fluid
central axis
shape
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN96196340A
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English (en)
Chinese (zh)
Other versions
CN1193377A (zh
Inventor
杰丹·D·哈曼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JAYDEN D HARMAN
Original Assignee
JAYDEN D HARMAN
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27157875&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN1063256(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from AUPN4072A external-priority patent/AUPN407295A0/en
Priority claimed from AUPN5249A external-priority patent/AUPN524995A0/en
Priority claimed from AUPN8580A external-priority patent/AUPN858096A0/en
Application filed by JAYDEN D HARMAN filed Critical JAYDEN D HARMAN
Publication of CN1193377A publication Critical patent/CN1193377A/zh
Application granted granted Critical
Publication of CN1063256C publication Critical patent/CN1063256C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/121—Blades, their form or construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
    • F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
    • F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
    • F01D5/048—Form or construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2272—Rotors specially for centrifugal pumps with special measures for influencing flow or boundary layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2277—Rotors specially for centrifugal pumps with special measures for increasing NPSH or dealing with liquids near boiling-point
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/24—Vanes
    • F04D29/242—Geometry, shape
    • F04D29/245—Geometry, shape for special effects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2200/00—Mathematical features
    • F05B2200/20—Special functions
    • F05B2200/23—Logarithm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2200/00—Mathematical features
    • F05D2200/20—Special functions
    • F05D2200/23—Logarithm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/02—Formulas of curves
CN96196340A 1995-07-10 1996-07-08 叶轮 Expired - Fee Related CN1063256C (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
AUPN4072A AUPN407295A0 (en) 1995-07-10 1995-07-10 Turbine rotor
AUPN4072 1995-07-10
AUPN5249 1995-09-05
AUPN5249A AUPN524995A0 (en) 1995-09-05 1995-09-05 Pump
AUPN8580A AUPN858096A0 (en) 1996-03-11 1996-03-11 Rotor
AUPN8580 1996-03-11

Publications (2)

Publication Number Publication Date
CN1193377A CN1193377A (zh) 1998-09-16
CN1063256C true CN1063256C (zh) 2001-03-14

Family

ID=27157875

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96196340A Expired - Fee Related CN1063256C (zh) 1995-07-10 1996-07-08 叶轮

Country Status (15)

Country Link
US (1) US5934877A (ja)
EP (1) EP0837989B1 (ja)
JP (1) JPH11513091A (ja)
KR (1) KR100445508B1 (ja)
CN (1) CN1063256C (ja)
AT (1) ATE251718T1 (ja)
CA (1) CA2226486C (ja)
DE (1) DE69630303T2 (ja)
DK (1) DK0837989T3 (ja)
ES (1) ES2206583T3 (ja)
IL (1) IL122889A (ja)
MX (1) MX9800299A (ja)
PT (1) PT837989E (ja)
RU (1) RU2168066C2 (ja)
WO (1) WO1997003291A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100370206C (zh) * 2002-01-03 2008-02-20 百思科技公司 热交换器
CN106163915A (zh) * 2014-04-08 2016-11-23 清洁未来能源有限公司 高螺距抗失速螺旋桨

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KR100728421B1 (ko) * 1999-10-05 2007-06-13 액세스 비지니스 그룹 인터내셔날 엘엘씨 수처리 시스템에 대한 수력발전
ATE307268T1 (de) * 1999-11-25 2005-11-15 Jayden David Harman Ein- oder mehrblättriger propellerrotor
FR2811380B1 (fr) * 2000-07-06 2002-10-18 Pierre Claude Marie Moreau Rotor a fluide en forme de galaxie spiralee
US6368078B1 (en) * 2000-11-27 2002-04-09 John F. Palumbo Bladeless turbocharger
WO2003056139A1 (en) * 2002-01-03 2003-07-10 Pax Scientific, Inc. A single or multiple bladed rotor
AUPR982302A0 (en) * 2002-01-03 2002-01-31 Pax Fluid Systems Inc. A fluid flow controller
EA005545B1 (ru) * 2002-01-03 2005-04-28 Пакс Сайентифик, Инк. Генератор вихревого кольца
AU2003903386A0 (en) * 2003-07-02 2003-07-17 Pax Scientific, Inc Fluid flow control device
US20050047943A1 (en) * 2003-08-29 2005-03-03 Jarrah Yousef M. Compressor surge prevention via distinct blade shapes
CA2544516C (en) * 2003-11-04 2014-04-29 Pax Scientific, Inc. Fluid circulation system
CN1985093A (zh) * 2004-01-30 2007-06-20 百思科技公司 用于离心通风机、泵或涡轮机的机罩
WO2005073561A1 (en) 2004-01-30 2005-08-11 Pax Scientific, Inc Housing for a centrifugal fan, pump or turbine
US8328522B2 (en) 2006-09-29 2012-12-11 Pax Scientific, Inc. Axial flow fan
WO2009051793A1 (en) * 2007-10-18 2009-04-23 Pax Scientific, Inc. Structures
US7473025B1 (en) * 2008-01-31 2009-01-06 Spx Corporation Mixing impeller with spiral leading edge
US20090308472A1 (en) * 2008-06-15 2009-12-17 Jayden David Harman Swirl Inducer
US9328717B1 (en) * 2009-04-27 2016-05-03 James A. Walker Golden ratio axial flow apparatus
US20120076656A1 (en) * 2010-09-29 2012-03-29 Abass Omar Nabil Horizontal Axis Logarithmic Spiral Fluid Turbine
CN104081066A (zh) * 2011-11-09 2014-10-01 杰丹·哈曼 大气环流系统和方法
US8926261B2 (en) 2012-04-18 2015-01-06 4Sphere Llc Turbine assembly
ES2495216B1 (es) * 2013-03-12 2015-09-17 Marc GARRETA CUBO Turbina hidráulica
US10252784B2 (en) 2013-03-15 2019-04-09 John Ioan Restea Apparatus for propelling fluid, especially for propulsion of a floating vehicle
EA027357B1 (ru) * 2013-06-16 2017-07-31 Акционерное Общество "Казахский Агротехнический Университет Имени Сакена Сейфуллина" Гидроэнергетическая установка и способ ее работы
US11944946B2 (en) 2013-06-28 2024-04-02 Saint-Gobain Performance Plastics Corporation Mixing assemblies including magnetic impellers
US9731256B2 (en) 2013-08-12 2017-08-15 Jay G. Dinnison Mixing impeller with leading edges minimizing accumulations on blades
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CN103482074B (zh) * 2013-09-28 2015-06-17 魏伯卿 涡螺气垫增力推进器
US10766796B2 (en) 2015-06-12 2020-09-08 Ugsi Solutions, Inc. Chemical injection and control system and method for controlling chloramines
CN107061355A (zh) * 2015-12-30 2017-08-18 熵零技术逻辑工程院集团股份有限公司 螺旋流体通道压气机
US10273970B2 (en) * 2016-01-27 2019-04-30 John A. Kozel Construction of articles of manufacture of fiber reinforced structural composites
CN105697224B (zh) * 2016-02-02 2016-09-28 河海大学 一种利用潮流能发电的斐波那契螺旋形水轮机
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CN107083998A (zh) * 2016-02-15 2017-08-22 熵零技术逻辑工程院集团股份有限公司 涡旋流体通道透平
AU2017290387B2 (en) 2016-06-30 2022-12-08 Pax Water Technologies Inc. Methods and system for evaluating and maintaining disinfectant levels in a potable water supply
CN106640757B (zh) * 2016-11-24 2018-08-31 西安交通大学 一种多翼离心风机及其分组设计方法
AU2018275261B2 (en) 2017-05-31 2024-01-11 Ugsi Solutions, Inc. Chemical injection control system and method for controlling chloramines
IT201700061933A1 (it) * 2017-06-07 2018-12-07 Paolo Bortolin Dispositivo per il trattamento di liquidi
EP3684732A4 (en) 2017-09-19 2021-06-02 UGSI Solutions, Inc. CHEMICAL CONTROL SYSTEMS AND PROCEDURES FOR CONTROL OF DISINFECTANTS
BR112020013359B1 (pt) * 2017-12-29 2023-12-05 Saint-Gobain Performance Plastics Corporation Bomba
CN108304673B (zh) * 2018-02-27 2019-03-29 山东交通学院 一种增压器蜗壳的仿生设计方法
US20200408229A1 (en) * 2018-03-12 2020-12-31 Pax Scientific, Inc. Annular duct
RU2683069C1 (ru) * 2018-03-29 2019-03-26 Федеральное государственное бюджетное учреждение "Национальный медицинский исследовательский центр трансплантологии и искусственных органов имени академика В.И. Шумакова" Министерства здравоохранения Российской Федерации (ФГБУ "НМИЦ ТИО им. ак. В.И. Шумакова" Минздрава России) Центробежный насос для механической поддержки кровообращения
KR101898278B1 (ko) * 2018-05-04 2018-09-13 안드레이 슬로보디안 보일러 기능을 갖는 하이브리드 발전장치
US11536286B2 (en) * 2020-07-30 2022-12-27 Microsoft Technology Licensing, Llc Systems and methods for improving airflow in a centrifugal blower
DE102020131271A1 (de) 2020-11-25 2022-05-25 Daniela Neldner Wasserkraftturbine
CN112591066A (zh) * 2020-12-04 2021-04-02 浙江理工大学 一种仿鹦鹉螺喷水推进式水下机器人

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2165808A (en) * 1937-05-22 1939-07-11 Murphy Daniel Pump rotor
US3082695A (en) * 1959-06-15 1963-03-26 Klein Schanzlin & Becker Ag Impellers, especially single vane impellers for rotary pumps
US4540334A (en) * 1982-12-22 1985-09-10 Staehle Martin Open-type centrifugal pump with single-blade impeller
SU1437579A1 (ru) * 1986-02-10 1988-11-15 Ленинградский Политехнический Институт Им.М.И.Калинина Центробежный компрессор

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2165808A (en) * 1937-05-22 1939-07-11 Murphy Daniel Pump rotor
US3082695A (en) * 1959-06-15 1963-03-26 Klein Schanzlin & Becker Ag Impellers, especially single vane impellers for rotary pumps
US4540334A (en) * 1982-12-22 1985-09-10 Staehle Martin Open-type centrifugal pump with single-blade impeller
SU1437579A1 (ru) * 1986-02-10 1988-11-15 Ленинградский Политехнический Институт Им.М.И.Калинина Центробежный компрессор

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100370206C (zh) * 2002-01-03 2008-02-20 百思科技公司 热交换器
CN106163915A (zh) * 2014-04-08 2016-11-23 清洁未来能源有限公司 高螺距抗失速螺旋桨

Also Published As

Publication number Publication date
IL122889A (en) 2001-03-19
CA2226486C (en) 2005-06-07
ES2206583T3 (es) 2004-05-16
CA2226486A1 (en) 1997-01-30
ATE251718T1 (de) 2003-10-15
DE69630303D1 (en) 2003-11-13
EP0837989A1 (en) 1998-04-29
DK0837989T3 (da) 2004-02-02
WO1997003291A1 (en) 1997-01-30
JPH11513091A (ja) 1999-11-09
CN1193377A (zh) 1998-09-16
RU2168066C2 (ru) 2001-05-27
PT837989E (pt) 2004-02-27
IL122889A0 (en) 1998-08-16
KR100445508B1 (ko) 2004-11-06
DE69630303T2 (de) 2004-07-29
EP0837989A4 (en) 1998-09-30
KR19990028875A (ko) 1999-04-15
US5934877A (en) 1999-08-10
EP0837989B1 (en) 2003-10-08
MX9800299A (es) 1998-07-31

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